Derrick Wei Du

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San Bruno, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Beverage dispensing machine and pouch for use with beverage dispens...
- Patent number 12,344,519
- Issue date Jul 1, 2025
- LNJ Group, LLC
- Marshal Chang
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Foldable and intrinsically safe plate capacitive sensors for sensin...
- Patent number 11,474,066
- Issue date Oct 18, 2022
- Derrick Wei Du
- G01 - MEASURING TESTING
Information Patent Grant
Foldable and intrinsically safe coiled inductance sensors for sensi...
- Patent number 11,274,956
- Issue date Mar 15, 2022
- Derrick Du
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
SELF-CLEANING SYSTEM FOR BEVERAGE DISPENSERS
- Publication number 20250042711
- Publication date Feb 6, 2025
- LNJ Group, LLC
- Derrick Du
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Application
BEVERAGE DISPENSING MACHINE AND POUCH FOR USE WITH BEVERAGE DISPENS...
- Publication number 20220274822
- Publication date Sep 1, 2022
- LNJ Group, LLC
- Marshal Chang
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Application
Foldable and intrinsically safe coiled inductance sensors for sensi...
- Publication number 20210364334
- Publication date Nov 25, 2021
- Derrick Du
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Foldable and intrinsically safe plate capacitive sensors for sensin...
- Publication number 20210131992
- Publication date May 6, 2021
- Derrick Wei Du
- G01 - MEASURING TESTING